code: def testAscending(self):
      derAvAfterMax, maxDerBeforeMax = DerivativeSFX()(
          list(numpy.linspace(0.0, 1.0, 100))
      )
      self.assertEqual(derAvAfterMax, maxDerBeforeMax)
  
file_path: essentia/test/src/unittests/sfx/test_derivativesfx.py
imports: from essentia_test import *
  import numpy
label_desc: Use image node_id 4 for calling the TestDerivativeSfx obj's underlying member method code with example usage: obj.testAscending() without return types